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If the work done in bringing a charge of 10^(-18) C from infinity to point P is 2 × 10^(-17) J, what is the electric potential at P?

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If the work done in bringing a charge of 10-18 C from infinity to point P is 2 × 10-17 J, what is the electric potential at P?

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V =\(\cfrac{W}{q_0}\) = \(\cfrac{2\times10^{-17}J}{10^{-18}C}\)

= 20 volts is the electric potential at P.

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